Safety gate system, safe interlock and safe guard locking device For; applications up to SIL CL 3 and PL e. Consisting of 5 pushbuttons: 1.; Illuminated pushbutton for activating the safety gate; 2. Push button; for accessing & interlocking the safety gate; 3. Key switch (3; positions) 4. Illuminated pushbutton; 5. Section stop pushbutton M12/5; connection with enable switch Delivery scope: Sensing device with; pushbuttons incl. colour caps and Escape release bar and actuator for; right or left hinged gates.